Vehicle-axle



(No Model.) T. E. GREGG.

VEHICLE AXLE. N01 305,8I0. Patented Sept. 30, 1884.

WITNESSES: MENTOR:

ATTORNEYS.

u mans mmmmgrapher, Washington. D c.

UNITED STATES PATENT OFEIcE.

THOMAS E. GREGG, OF MINERAL SPRINGS, SOUTH CAROLINA.

VEHICLE-AXLE.

SPECIFICATION forming part of Letters Patent No. 305,810 dated September30, 1884:.

Application filed June 24, 1884. (No model.)

. To all whom it may concern.-

Be it known that I, THOMAS E. GREGG, of Mineral Springs, in the countyof Marion and State of South Carolina, have invented a new and usefulImprovement in Axles and Axle Nuts and Collars, of which the followingis a full, clear, and exact description.

This invention consists in the construction and combination of parts, aswill be hcreinafter fully described and claimed.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar letters of reference indicatecorresponding parts in all the figures.

Figure 1 is asectional elevation of my in vention, an ordinary thimblebeing shown upon the axle. Fig. 2 is afront elevation of the same, andFig. 3 is a transverse sectional elevation taken on the line a: x ofFig. 1.

The journal portion a of the axle A is made flat at b, and is alsoformed at its outer end with the screw-threaded point 0 in the ordinarymanner.

To the flat surface bis applied the wearingplate 13, which is held inplace by the washer C, collar D, and the screw 01, which passes througha countersunk opening made in the wear-plate and enters a screw-threadedopening tapped into the axle, as shown clearly in Figs. 1 and 3.

E is theinternallyscrew-threaded nut which screws upon the point 0 andfits within the collarD, which is made longer than the screwthreadedpoint e, and is of such internal size that it his upon the outer end ofthe journal portion of the axle, so that its inner end or face will comeagainst the outer end of the thimble F, as shown in Fig. 1, for holdingthe wheel upon the axle, and the collar D is provided-with the set-screwe, by which the col lar may he confined to the nut E at any desiredposition. The outer end or head of the nut E is made square or with manysides, asshown in Fig. 2, to receive a wrench for removing the nut andcollar from and replacing it upon the axle.

In ordinary use the nut E and collar D act together as a single nut, butwhen the thimble F becomes worn at its ends from running in contact withthe collar D and washer C, by loosening the set-screw c the collar Dmaybe shoved forward upon the nut E, and made fast again to take up thewear of the thimble, and when the wearing-plate B becomes worn so as tobe too small for thethiinble or box of the wheel by removing the'washerO, screw (1, collar D, and nut E, this plate may be removed and a newand larger plate put in its place, so that the wheel may always be madeto run true in all directions upon the axle.

Having thus described my invention, 1 claim as new and desire to secureby Letters Patent 1. The combination, with the axle a, and itswearing-plate b, of the collar 0, securing said plate at the inner endof the axle, the set-screw d at the opposite end of the axle passingthrough the wearing-plate into the axle and flush with the face of saidwearing-plate, and a collar, D, reinovably held on the axle and coveringthe head of the set-screw, substantially as set forth.

'2. The combination, with the axle a, screwthreaded at c, and providedwith the wearing plate held thereon by collar 0, and countersunk screwd, of the thimble F, collar D, on

the outer. end of the axle part a, covering the setsorew d, and restingagainst thimble F, set-screw e, passing through said collar D, and theinternally threaded nut E, fitting on the screw-threads c of the axleand within the collar D, as shown.

THO AS E. GREGG.

Witnesses:

H. L. WILsoN, O. N. W'ILsoN.

